One of the first things you learn at the beginning of your programming journey is the for loop. It’s not that hard once you get the basics…

But what’s really happening behind the scenes? In this video, we’ll go through the iterator protocol in Python and explore the differences between iterables and iterators and how they interact with each other in the for loop and other iterations in Python.

You’ll also create your own custom iterable type!

Understanding Iteration in Python

You can also read more about this topic in this article on The Python Coding Stack: The Anatomy of a for Loop